Carter P Johnson Dam
Carter P Johnson Dam is an earth dam located in Sioux County, Nebraska, built in 1935. It carries a High hazard potential classification and has a poor condition assessment.
About Carter P Johnson Dam
The primary purpose of Carter P Johnson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nebraska Game & Parks Commission (state). It impounds the Soldier Creek near Crawford.
The dam stands 35 feet tall and stretches 480 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 202 acre-feet, and collects water from a drainage area of 52 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 06/04/2024.
At 35 feet, this dam is taller than 82% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Nebraska dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Crawford |
| River/Stream | Soldier Creek |
| Coordinates | 42.68146, -103.52070 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 480 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 202 acre-ft |
| Max Storage | 202 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 52 sq mi |
| Max Discharge | 7,879 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nebraska Game & Parks Commission |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 06/04/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NE01124 |
| Federal ID | NE01124 |
| More Info | State Dam Safety Program |